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Unreliable Ignition

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Ken-Guzzibear View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ken-Guzzibear Quote  Post ReplyReply Direct Link To This Post Posted: 23 Oct 2017 at 18:58
The thing "condenser" is another description for Capacitor it stores charge .......BUT bad ign after 20 ish miles could be faulty coil touch it if very hot it is brokedid ..... the ign system as actually very reliable BUT condenser breaking down gives sparks and gives the coil a hard time coils are not that expensive, good connections and good earths are paramount all reasonably easy to check
The Older i Get, The Better I Was
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Mike H View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mike H Quote  Post ReplyReply Direct Link To This Post Posted: 23 Oct 2017 at 20:05
Originally posted by johnno johnno wrote:

Originally posted by Brian UK Brian UK wrote:


The condenser is there to stop the points arcing, so if you see sparking on the points, the probability is that the condenser has seen it's best days.


I never knew that


Yep.


.

"Chicken nuggets don't dance on a Tuesday."
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Jerry atric View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jerry atric Quote  Post ReplyReply Direct Link To This Post Posted: 23 Oct 2017 at 20:11
Brilliant. New potato or main crop, which is best?
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Brian UK View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian UK Quote  Post ReplyReply Direct Link To This Post Posted: 23 Oct 2017 at 22:03
To take the theory a bit further, the induction (ignition) coil requires a sharp cut of the current through the primary to induce a large spike of voltage in the secondary.
If the condenser isn't there, or is in poor condition, you get arcing across the points as they open, thus the cut in current isn't as fast, so you get a weaker spark.
Brian.

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